nobody reply? 于 2011年11月30日 17:49, Chen Jie 写道: > Hi all, > > I found my system boot stops at terminal login screen sometimes under > systemd v29 + dbus 1.4.16. I tried to login, after supplied username > and password, it blocked with a blinking cursor. > > A primary debug shows: > * dbus-daemon was doing a busy-loop in pending_activation_failed() > (see http://lists.freedesktop.org/archives/dbus/2011-November/014790.html) > * There was a message "Failed to activate service > 'org.freedesktop.systemd1': timed out" in syslog (see the full syslog > at > http://lists.freedesktop.org/archives/dbus/attachments/20111125/e9c204bb/attachment-0001.obj) > > After I added more log funcs with gettimeofday generated timestamp > "(tv_sec, tv_usec)", I found: > * bus_init_api() calling dbus_bus_add_match failed with timeout -- the > function starts at (1322641754,371276), ends at (1322641779,396943) > * In dbus side, I found it spends ~25s to send a log to syslog: > timestamp: (1322641754,372197) > bus_context_log (activation->context, > DBUS_SYSTEM_LOG_INFO, "Activating > systemd to hand-off: service name='%s' unit='%s'", > service_name, > entry->systemd_service); // > bus_activation_activate_service() @bus/activation.c > timestamp: (1322641780,555) > > I guess there was something wrong with startup of rsyslog.service, and I > found: > * (1322641752,26061): [rsyslog.service]service_enter_start_pre() > * (1322641753,382491): systemd-kmsg-syslogd[705]: systemd-kmsg-syslogd > stopped as pid 705 > * (1322641779,692927): [rsyslog.service]service_enter_start() > > Start rsyslog.service will stop systemd-kmsg-syslogd.service first, so > I added more log funcs in systemctl: > * systemctl[1216]: start_unit_one(): (1322641753,229083)->(1322641753,383118) > * systemctl[1216]: wait_filter() (1322641753,465392)Got D-Bus request: > org.freedesktop.systemd1.Manager.JobRemoved() on > /org/freedesktop/systemd1 > * systemctl[1216]: wait_for_jobs(): (1322641753,468987) finished > "while (!set_isempty(s) &&dbus_connection_read_write_dispatch(bus, > -1))" > systemctl stop systemd-kmsg-syslogd.service didn't much time. > > > The content of rsyslog.service: > [Unit] > Description=System Logging Service > > [Service] > ExecStartPre=/bin/systemctl stop systemd-kmsg-syslogd.service > ExecStart=/usr/sbin/rsyslogd -n -c5 > Sockets=syslog.socket > > [Install] > WantedBy=multi-user.target > > > Any idea? > > BTW, the gap between systemd-kmsg-syslogd.service stopped and rsyslog > not ready will make it lost some log messages. > > > > Regards, > --- Chen Jie > _______________________________________________ > dbus mailing list > d...@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dbus >
-- Best Regards Tang Ke (Application develop of software department) Tel：0086-512-52308628 Fax：0086-512-52308688 Phone:18962393077 E-mail:ta...@lemote.com MSN：ta...@lemote.com, mumut...@gmail.com Web: http://www.lemote.com <http://www.lemote.com/> JiangSu ZhongKe Lemote Technology Co.,Ltd MengLan Industry Park,YuShan,ChangShu City,JiangSu,China
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